Home / 8,999.18-13,499.08-2,425.52

Finding the Fourth Proportional to 8,999.18, 13,499.08 and 2,425.52

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Solution

The fourth proportional to 8,999.18, 13,499.08 and 2,425.52 is: 3,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.18 : 13,499.08 = 2,425.52 : x
  2. Step 2: Convert to fraction form
    8,999.18/13,499.08 = 2,425.52/x
  3. Step 3: Cross multiply
    8,999.18x = 13,499.08 × 2,425.52
  4. Step 4: Simplify right side
    8,999.18x = 32,742,288.52
  5. Step 5: Solve for x
    x = 32,742,288.52/8,999.18
  6. Step 6: Final answer
    x = 3,638.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.